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Issue metadata

Status: Duplicate
Merged: issue 596881
Owner:
Last visit > 30 days ago
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.2% regression in smoothness.key_mobile_sites_smooth at 382343:382395

Project Member Reported by alexclarke@chromium.org, Mar 22 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=596900

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgkO2NtAoM


Bot(s) for this bug's original alert(s):

android-galaxy-s5
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Mar 23 2016


===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : Enable GPU Rasterization for content with any author defined viewport.
Author  : vmiura
Commit description:
  
BUG= 591179 

Review URL: https://codereview.chromium.org/1817583003

Cr-Commit-Position: refs/heads/master@{#382394}
Commit  : b338ee0b3125007b94854e44ed7b6df820c72a75
Date    : Mon Mar 21 21:26:30 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@382342         17.464066   0.099892    5           good
chromium@382369         17.437585   0.050463    5           good
chromium@382382         17.43497    0.068821    5           good
chromium@382389         17.444917   0.060147    5           good
chromium@382392         17.438951   0.029672    5           good
chromium@382393         17.426263   0.050938    5           good
chromium@382394         17.861923   0.046182    5           bad
chromium@382395         17.86982    0.083025    5           bad

Bisect job ran on: android_s5_perf_bisect
Bug ID: 596900

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --also-run-disabled-tests smoothness.key_mobile_sites_smooth
Test Metric: frame_times/frame_times
Relative Change: 2.32%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_s5_perf_bisect/builds/539
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9017477677180450720


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with label Cr-Tests-AutoBisect.  Thank you!
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 23 2016


===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : Enable GPU Rasterization for content with any author defined viewport.
Author  : vmiura
Commit description:
  
BUG= 591179 

Review URL: https://codereview.chromium.org/1817583003

Cr-Commit-Position: refs/heads/master@{#382394}
Commit  : b338ee0b3125007b94854e44ed7b6df820c72a75
Date    : Mon Mar 21 21:26:30 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@382342         17.418402   0.027215    5           good
chromium@382369         17.380699   0.03887     5           good
chromium@382382         17.453748   0.065791    5           good
chromium@382389         17.399155   0.040675    5           good
chromium@382392         17.404657   0.079164    5           good
chromium@382393         17.390348   0.02435     5           good
chromium@382394         17.766783   0.038208    5           bad
chromium@382395         17.812135   0.068533    5           bad

Bisect job ran on: android_s5_perf_bisect
Bug ID: 596900

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --also-run-disabled-tests smoothness.key_mobile_sites_smooth
Test Metric: frame_times/frame_times
Relative Change: 2.26%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_s5_perf_bisect/builds/540
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9017477653424250320


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with label Cr-Tests-AutoBisect.  Thank you!

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